--- iputils/ping.c~ 2006-03-14 14:53:31.000000000 +0200 +++ iputils/ping.c 2006-03-14 14:55:07.000000000 +0200 @@ -1216,7 +1216,7 @@ insns[2] = (struct sock_filter)BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __constant_htons(ident), 0, 1); if (setsockopt(icmp_sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter))) - perror("WARNING: failed to install socket filter\n"); + perror("WARNING: failed to install socket filter"); }